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In parallel with the amazing increase in mobile data traffic, the fast-growing requirement and development of the green communication technology have led to many energy-saving designs in mobile networks. Meanwhile, as advanced cellular technologies progress, more than one component carrier (CC) can now be jointly utilized in a base station (BS). As a result, the energy consumption of the BS has become...
As the amazingly rapid-growing service demand of various users, the 4th generation (4G) cellular base station (BS) has been expected to embrace the concept of utilizing multiple component carriers (CCs) for transmissions. Consequently, the energy consumption will be increased due to the use of additional CCs. The energy may especially be wasted in non-rush hours if no efficient radio and CC adjustment...
In parallel with the amazing increase of mobile data traffic, the fast-growing requirement and development of the green communication technology have led to many energy-saving designs in mobile networks. Meanwhile, as advanced cellular technologies progress, more than one component carrier (CCs) can now be jointly utilized in a base station (BS). As a result, the energy consumption of the BS has become...
Existing feedback schemes of Channel State Information (CSI) in OFDMA systems can be mainly sorted into two categories as follows: 1) sounding channel feedback, and 2) precoder matrix indicator (PMI) feedback. However, both these two categories have some performance drawbacks and limitation of usage. In this paper, two Sounding-based Phase Feedback (SPF) schemes, namely, Type_1 SPF and Type_2 SPF,...
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